convert.py : use dir name to name the llama

convert.py

@@ -811,10 +811,12 @@ def __init__(self, fname_out: Path) -> None:
 
     def add_meta_arch(self, params: Params) -> None:
         name = "LLaMA"
+
+        # TODO: better logic to determine model name
         if (params.n_ctx == 4096):
             name = "LLaMA v2"
-            if params.path_model:
-                name = str(params.path_model.parent).split('/')[-1]
+        elif params.path_model:
+            name = str(params.path_model.parent).split('/')[-1]
 
         self.gguf.add_name                (name)
         self.gguf.add_context_length      (params.n_ctx)
@@ -839,8 +841,7 @@ def add_meta_vocab(self, vocab: Vocab) -> None:
         tokens = []
         scores = []
         toktypes = []
-        # NOTE: `all_tokens` returns the the base vocabulary and added tokens
-        # TODO: add special tokens?
+        # NOTE: `all_tokens` returns the base vocabulary and added tokens
         for text, score, toktype in vocab.all_tokens():
             tokens.append(text)
             scores.append(score)